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dynamic void* pointer issue in queue script.
Hi guys, After a long day of trying, I think it's time to get some help. Trying to make a dynamic queue with void* argument(s). Maybe the memory allocation isn't suffcient? Or the way the Item is...
View Articlewhat are options for debugging multi-launchpad system
Hi, I'm implementing a proof-of-concept MSP432 system using LaunchPads. Basically I2C sensor data gets captured by multiple slave msp432's communicating via SPI with a master msp432. I'm thinking ahead...
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Getting Started with Printed Circuit Board (PCB) Design
This is the first PCB that I have designed and sent off to be manufactured. Yesterday I received the boards, soldered them up, and they work! This write-up outlines the process I used in the hope that...
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Launchpad Timer Reference Oscillator
I'm working on building a speed controller for a belt grinder and I'm using a G2553 for the controller. Since the speed of the motor will need to vary between 1000-8000 RPM, the 32.768Khz clock was...
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8X8X8 LED Cube V1.0
Hy guys! I built 8x8x8 LED Cube with msp430 mcu. The mcu control 9 74hc595 shift registers. The cube operation 230V/18VAC transformer. I dont have hex generators, simulators and other...
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Sine Wave Generator using PWM like a class D amplifier.
About a year or so ago, I quit working on a project which would generate the 1200 baud audio tones for an AFSK Amateur Radio system. Due to real life getting in the way, I never finished it. I got it...
View ArticleRunning straight off Battery vs LDO
Found a nice app note by TI, and wrote some thoughts on it: Just recently read an app note that targets your same circumstances. Using power solutions to extend battery life in MSP430 applications By...
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New Project: Temperature Measuring with MLX90615 [please help, this is my...
Hi, I started a new project, which I want to get pcbs made for. This is my first ever own designed circuit and I don't want it to fail or cost me more money because of some stupid errors. See the...
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Using 5volt LCDs on 3.3volt MSP430s - with no extra power supply
Hi forum, I have many 5 volt LCDs. Here's an idea for using them on 3.3 volt MSP430 systems, other 3 volt systems and LaunchPads. Let's think of the typical 16 char x 2 row LCD, with a 16 pin...
View Articlecant not use capture timer interrupt msp430g2553
#define IRout BIT0 int main(void) { WDTCTL = WDTPW + WDTHOLD; // Stop WDT BCSCTL1 = CALBC1_1MHZ; // Set DCO DCOCTL = CALDCO_1MHZ; P2DIR &= ~IRout; P2SEL |= IRout; P2SEL2 &= ~IRout; TA1CCTL0 =...
View ArticleReported success of serial comm MSP432 LP and TI Nspire calculator with...
The TI nspire calculator is an advanced calculator which is expected to be the successor of TI-89. There are news on the web that a recent OS update (version 4.2) to the TI Nspire calculator added...
View ArticleLPM and Timer interrup
Hi everyone, I have seen many examples, timer interrupt need enter to Low power mode. Can you help to explain? What is the problem if I dont use LPM ?
View Articleidea for ESP8266 as BSL bootloader
I think it would be really cool to have a battery powered ESP8266 that could write to the flash of an MSP430 via the UART BSL. There are 2 free GPIO on the ESP8266 that could toggle the RST and TST...
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I2C errors with four-board MSP432 launchpad stack
Hi, when I went from a two-board msp432 launchpad and SENSHUB stack to a four board stack, I started getting firmware I2C errors accessing the SENSHUB MPU-9150 IMU (on UCB0), but not the other sensors...
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AD9850 Frequency Generator BoosterPack
This project uses an inexpensive AD9850 board obtained off eBay to create a frequency generator boosterpack that is especially useful with the MSP-EXP430FR6989 LaunchPad. It features an encoder with a...
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LaunchPad based TI Innovator System
https://education.ti.com/en/us/products/micro-controller/ti-innovator/tabs/overview A new dev kit with RGB LED, light sensor, talks to TI calculators, and a nice enclosure! Available Fall 2016
View ArticleEnergia ported to CCS
Hi, I am using tm4c123gh6pm. I'm having a hard time trying to port a library that uses grlib from tivaware. The library is for kentec K350QVG 3,5 inch lcd/touch screen. I imported a energia sketch...
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CC1A and CC1B msp430g2553
Hi everyone, I have seen below image (1.png) and wonder what is difference between CC1A, CC1B. Can I separately use them? ( two capture/compare interrupt in timer1a). Some pins don't have CCI in...
View ArticleSMCLK on Calibrated DCO, Watchdog Timer on VLO/ACLK?
I always use the calibrated 1 MHz DCO as the main code clock. This sets the SMCLK to the DCO. BSCTL1 = CALBC1_1MHZ; DCOCTL = CALDCO_1MHZ; I currently use the Watchdog in timer mode, set to SMCLK...
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New Project with MSP430FR4133 and MSP430i2xxx
Hi All, After a week of assessing the MSP430FR and new MSP430i series, I am now happy to commence a new commercial project development based on the MSP430FR4133 and MSP430i2xxx. It's a handheld...
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